Victoria, M. ., Nyamwange, O. ., & Harley, . M. . (2015). Sustainable Supply Chain Management Practices and Performance of United Nations Agencies in Nairobi, Kenya. Operations Research Society of Eastern Africa, 5(2), 1-37. Retrieved from https://orseajournal.udsm.ac.tz/index.php/orsea/article/view/39